Made "Release Information" more readable.
The first time I read that paragraph it made no sense. The addition of a hyphen makes it easier to read at a glance.
diff --git a/readme.rst b/readme.rst
index d768162..5857558 100644
--- a/readme.rst
+++ b/readme.rst
@@ -14,7 +14,7 @@
Release Information
*******************
-This repo contains in development code for future releases. To download the
+This repo contains in-development code for future releases. To download the
latest stable release please visit the `CodeIgniter Downloads
<http://codeigniter.com/downloads/>`_ page.